java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label57.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 17:38:53,635 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 17:38:53,637 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 17:38:53,649 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 17:38:53,650 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 17:38:53,651 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 17:38:53,652 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 17:38:53,654 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 17:38:53,656 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 17:38:53,657 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 17:38:53,658 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 17:38:53,659 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 17:38:53,659 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 17:38:53,660 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 17:38:53,661 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 17:38:53,662 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 17:38:53,663 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 17:38:53,664 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 17:38:53,666 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 17:38:53,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 17:38:53,670 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 17:38:53,671 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 17:38:53,672 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 17:38:53,673 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 17:38:53,675 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 17:38:53,678 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 17:38:53,679 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 17:38:53,680 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 17:38:53,681 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 17:38:53,681 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 17:38:53,682 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 17:38:53,682 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 17:38:53,683 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 17:38:53,683 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 17:38:53,684 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 17:38:53,685 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 17:38:53,685 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-08-09 17:38:53,707 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 17:38:53,707 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 17:38:53,709 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 17:38:53,709 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 17:38:53,709 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 17:38:53,709 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 17:38:53,709 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 17:38:53,710 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 17:38:53,710 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 17:38:53,710 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 17:38:53,710 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 17:38:53,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 17:38:53,711 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 17:38:53,711 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 17:38:53,711 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 17:38:53,711 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 17:38:53,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 17:38:53,712 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 17:38:53,712 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 17:38:53,712 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 17:38:53,712 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 17:38:53,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 17:38:53,713 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 17:38:53,713 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 17:38:53,713 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 17:38:53,714 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 17:38:53,715 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 17:38:53,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 17:38:53,715 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 17:38:53,762 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 17:38:53,777 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 17:38:53,781 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 17:38:53,782 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 17:38:53,782 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 17:38:53,783 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label57.c [2019-08-09 17:38:53,859 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8aed9f1fe/bbb0f5066b7748c3b10e42a599fc4557/FLAGe1a14c099 [2019-08-09 17:38:54,423 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 17:38:54,424 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label57.c [2019-08-09 17:38:54,436 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8aed9f1fe/bbb0f5066b7748c3b10e42a599fc4557/FLAGe1a14c099 [2019-08-09 17:38:54,686 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8aed9f1fe/bbb0f5066b7748c3b10e42a599fc4557 [2019-08-09 17:38:54,697 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 17:38:54,699 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 17:38:54,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 17:38:54,700 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 17:38:54,704 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 17:38:54,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 05:38:54" (1/1) ... [2019-08-09 17:38:54,708 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d9545bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:54, skipping insertion in model container [2019-08-09 17:38:54,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 05:38:54" (1/1) ... [2019-08-09 17:38:54,716 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 17:38:54,762 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 17:38:55,212 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 17:38:55,218 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 17:38:55,431 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 17:38:55,458 INFO L192 MainTranslator]: Completed translation [2019-08-09 17:38:55,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:55 WrapperNode [2019-08-09 17:38:55,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 17:38:55,459 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 17:38:55,459 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 17:38:55,459 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 17:38:55,470 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:55" (1/1) ... [2019-08-09 17:38:55,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:55" (1/1) ... [2019-08-09 17:38:55,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:55" (1/1) ... [2019-08-09 17:38:55,493 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:55" (1/1) ... [2019-08-09 17:38:55,535 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:55" (1/1) ... [2019-08-09 17:38:55,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:55" (1/1) ... [2019-08-09 17:38:55,562 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:55" (1/1) ... [2019-08-09 17:38:55,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 17:38:55,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 17:38:55,571 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 17:38:55,572 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 17:38:55,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 17:38:55,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 17:38:55,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 17:38:55,622 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 17:38:55,623 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 17:38:55,623 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 17:38:55,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 17:38:55,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 17:38:55,623 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 17:38:55,623 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 17:38:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 17:38:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 17:38:56,910 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 17:38:56,910 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 17:38:56,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 05:38:56 BoogieIcfgContainer [2019-08-09 17:38:56,912 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 17:38:56,915 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 17:38:56,916 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 17:38:56,916 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 17:38:56,917 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 05:38:56" (1/1) ... [2019-08-09 17:39:16,934 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 17:39:16,943 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 17:39:16,946 INFO L168 Benchmark]: Toolchain (without parser) took 22245.96 ms. Allocated memory was 133.7 MB in the beginning and 1.1 GB in the end (delta: 1.0 GB). Free memory was 85.7 MB in the beginning and 379.5 MB in the end (delta: -293.7 MB). Peak memory consumption was 981.1 MB. Max. memory is 7.1 GB. [2019-08-09 17:39:16,946 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 133.7 MB. Free memory is still 105.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-09 17:39:16,948 INFO L168 Benchmark]: CACSL2BoogieTranslator took 759.08 ms. Allocated memory was 133.7 MB in the beginning and 203.4 MB in the end (delta: 69.7 MB). Free memory was 85.3 MB in the beginning and 169.2 MB in the end (delta: -83.9 MB). Peak memory consumption was 36.1 MB. Max. memory is 7.1 GB. [2019-08-09 17:39:16,949 INFO L168 Benchmark]: Boogie Preprocessor took 111.65 ms. Allocated memory is still 203.4 MB. Free memory was 169.2 MB in the beginning and 164.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-08-09 17:39:16,951 INFO L168 Benchmark]: RCFGBuilder took 1340.44 ms. Allocated memory was 203.4 MB in the beginning and 227.5 MB in the end (delta: 24.1 MB). Free memory was 164.4 MB in the beginning and 184.8 MB in the end (delta: -20.4 MB). Peak memory consumption was 92.1 MB. Max. memory is 7.1 GB. [2019-08-09 17:39:16,955 INFO L168 Benchmark]: Symbolic Interpretation took 20027.53 ms. Allocated memory was 227.5 MB in the beginning and 1.1 GB in the end (delta: 914.4 MB). Free memory was 183.1 MB in the beginning and 379.5 MB in the end (delta: -196.3 MB). Peak memory consumption was 984.7 MB. Max. memory is 7.1 GB. [2019-08-09 17:39:16,966 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 22]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 155457#(and (< 38 ~a1~0) (<= ~a1~0 218) (= 14 ~a4~0) (= ~a10~0 4) (= ~a12~0 0) (= ~a19~0 8) (= |calculate_output_#in~input| calculate_output_~input) (= ~a1~0 |old(~a1~0)|) (= ~a10~0 |old(~a10~0)|) (<= 0 (+ |calculate_output_#in~input| 2147483648)) (or (and (= 2 ~inputB~0) (= 5 ~inputE~0) (= 14 ~a4~0) (= 3 ~inputC~0) (= ~a12~0 0) (= 6 ~inputF~0) (= 23 |old(~a1~0)|) (= 9 |old(~a19~0)|) (= 0 |old(~a10~0)|) (= 4 ~inputD~0)) (and (= 2 ~inputB~0) (= 5 ~inputE~0) (= 14 ~a4~0) (= 3 ~inputC~0) (= ~a12~0 0) (= 6 ~inputF~0) (= 4 ~inputD~0))) (= ~a19~0 |old(~a19~0)|) (or (= |calculate_output_#in~input| 4) (= |calculate_output_#in~input| 5) (= |calculate_output_#in~input| 6) (= |calculate_output_#in~input| 2) (= |calculate_output_#in~input| 3)) (<= |calculate_output_#in~input| 2147483647)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 133.7 MB. Free memory is still 105.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 759.08 ms. Allocated memory was 133.7 MB in the beginning and 203.4 MB in the end (delta: 69.7 MB). Free memory was 85.3 MB in the beginning and 169.2 MB in the end (delta: -83.9 MB). Peak memory consumption was 36.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.65 ms. Allocated memory is still 203.4 MB. Free memory was 169.2 MB in the beginning and 164.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1340.44 ms. Allocated memory was 203.4 MB in the beginning and 227.5 MB in the end (delta: 24.1 MB). Free memory was 164.4 MB in the beginning and 184.8 MB in the end (delta: -20.4 MB). Peak memory consumption was 92.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 20027.53 ms. Allocated memory was 227.5 MB in the beginning and 1.1 GB in the end (delta: 914.4 MB). Free memory was 183.1 MB in the beginning and 379.5 MB in the end (delta: -196.3 MB). Peak memory consumption was 984.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...